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/*++
THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
PURPOSE.
Module Name:
Extension.cpp
Abstract:
SDCA XU functions
Environment:
Kernel mode
--*/
#include "private.h"
#ifndef __INTELLISENSE__
#include "Extension.tmh"
#endif
PAGED_CODE_SEG
NTSTATUS Codec_SdcaXuSetJackOverride
(
_In_ PVOID Context, // SDCA Context
_In_ BOOLEAN Override // TRUE: Override
// FALSE: Default SDCA behavior
)
{
PAGED_CODE();
UNREFERENCED_PARAMETER(Context);
UNREFERENCED_PARAMETER(Override);
NTSTATUS status = STATUS_SUCCESS;
PCODEC_DEVICE_CONTEXT devCtx;
devCtx = GetCodecDeviceContext(Context);
ASSERT(devCtx != NULL);
devCtx->SdcaXuData.bExtensionJackOVerride = Override;
return status;
}
PAGED_CODE_SEG
NTSTATUS Codec_SdcaXuSetJackSelectedMode
(
_In_ PVOID Context, // SDCA Context
_In_ ULONG GroupEntityId, // SDCA Group Entity ID for Jack(s)
_In_ ULONG SelectedMode // Type of jack type overriden by XU
)
{
PAGED_CODE();
UNREFERENCED_PARAMETER(Context);
UNREFERENCED_PARAMETER(GroupEntityId);
UNREFERENCED_PARAMETER(SelectedMode);
NTSTATUS status = STATUS_SUCCESS;
return status;
}
#pragma code_seg()
NTSTATUS Codec_SdcaXuPDEPowerReferenceAcquire
(
_In_ PVOID Context, // SDCA Context
_In_ ULONG PowerDomainEntityId, // SDCA Entity ID for entity
_In_ SDCAXU_POWER_STATE RequiredState // Power state the PowerDomain needs to be in
)
{
UNREFERENCED_PARAMETER(Context);
UNREFERENCED_PARAMETER(PowerDomainEntityId);
UNREFERENCED_PARAMETER(RequiredState);
NTSTATUS status = STATUS_SUCCESS;
return status;
}
#pragma code_seg()
NTSTATUS Codec_SdcaXuPDEPowerReferenceRelease
(
_In_ PVOID Context, // SDCA Context
_In_ ULONG PowerDomainEntityId, // SDCA Entity ID for entity
_In_ SDCAXU_POWER_STATE ReleasedState // Power state the PowerDomain no longer needs to be in
)
{
UNREFERENCED_PARAMETER(Context);
UNREFERENCED_PARAMETER(PowerDomainEntityId);
UNREFERENCED_PARAMETER(ReleasedState);
NTSTATUS status = STATUS_SUCCESS;
return status;
}
#pragma code_seg()
NTSTATUS Codec_SdcaXuReadDeferredAudioControls
(
_In_ PVOID Context, // SDCA Context
_Inout_ PSDCA_AUDIO_CONTROLS Controls // Array of SDCA Audio Controls
)
{
UNREFERENCED_PARAMETER(Context);
UNREFERENCED_PARAMETER(Controls);
NTSTATUS status = STATUS_SUCCESS;
return status;
}
#pragma code_seg()
NTSTATUS Codec_SdcaXuWriteDeferredAudioControls
(
_In_ PVOID Context, // SDCA Context
_Inout_ PSDCA_AUDIO_CONTROLS Controls // Array of SDCA Audio Controls
)
{
UNREFERENCED_PARAMETER(Context);
UNREFERENCED_PARAMETER(Controls);
NTSTATUS status = STATUS_SUCCESS;
return status;
}
PAGED_CODE_SEG
NTSTATUS Codec_SdcaXuSetXUEntities
(
_In_ PVOID Context,
_In_ ULONG NumEntities,
_In_reads_(NumEntities)
ULONG EntityIDs[]
)
{
PAGED_CODE();
DrvLogEnter(g_SDCAVCodecLog);
NTSTATUS status = STATUS_SUCCESS;
PCODEC_DEVICE_CONTEXT devCtx;
devCtx = GetCodecDeviceContext((WDFDEVICE)Context);
if (NumEntities)
{
PULONG pXUEntities = (PULONG)ExAllocatePool2(POOL_FLAG_NON_PAGED, sizeof(ULONG) * NumEntities, DRIVER_TAG);
RETURN_NTSTATUS_IF_TRUE(NULL == pXUEntities, STATUS_INSUFFICIENT_RESOURCES);
for (ULONG i = 0; i < NumEntities; i++)
{
pXUEntities[i] = EntityIDs[i];
}
devCtx->SdcaXuData.numXUEntities = NumEntities;
devCtx->SdcaXuData.XUEntities = pXUEntities;
}
return status;
}
PAGED_CODE_SEG
NTSTATUS Codec_SdcaXuRegisterForInterrupts
(
_In_ PVOID Context,
_In_ PSDCAXU_INTERRUPT_INFO InterruptInfo
)
{
PAGED_CODE();
DrvLogEnter(g_SDCAVCodecLog);
NTSTATUS status = STATUS_SUCCESS;
PCODEC_DEVICE_CONTEXT devCtx;
devCtx = GetCodecDeviceContext((WDFDEVICE)Context);
RETURN_NTSTATUS_IF_TRUE(InterruptInfo->Size != sizeof(SDCAXU_INTERRUPT_INFO), STATUS_INVALID_PARAMETER_1);
PSDCAXU_INTERRUPT_INFO pInterruptInfo = (PSDCAXU_INTERRUPT_INFO)ExAllocatePool2(
POOL_FLAG_NON_PAGED,
InterruptInfo->Size,
DRIVER_TAG);
RETURN_NTSTATUS_IF_TRUE(NULL == pInterruptInfo, STATUS_MEMORY_NOT_ALLOCATED);
RtlCopyMemory(pInterruptInfo, InterruptInfo, InterruptInfo->Size);
devCtx->SdcaXuData.InterruptInfo = pInterruptInfo;
return status;
}
PAGED_CODE_SEG
NTSTATUS Codec_GetSdcaXu(_In_ WDFDEVICE Device)
{
PAGED_CODE();
NTSTATUS status = STATUS_SUCCESS;
PCODEC_DEVICE_CONTEXT devCtx;
devCtx = GetCodecDeviceContext(Device);
ASSERT(devCtx != NULL);
RtlZeroMemory(&devCtx->SdcaXuData, sizeof(devCtx->SdcaXuData));
// Initialize Interface for requesting correct version
devCtx->SdcaXuData.ExtensionInterface.InterfaceHeader.Size = sizeof(SDCAXU_INTERFACE_V0101);
devCtx->SdcaXuData.ExtensionInterface.InterfaceHeader.Version = SDCAXU_INTERFACE_VERSION_0101;
//
// Provide SDCA Interface that XU driver can call into
// XU driver will copy these function addresses while
// handling Query Interface
//
devCtx->SdcaXuData.ExtensionInterface.EvtSetXUEntities = Codec_SdcaXuSetXUEntities;
devCtx->SdcaXuData.ExtensionInterface.EvtRegisterForInterrupts = Codec_SdcaXuRegisterForInterrupts;
devCtx->SdcaXuData.ExtensionInterface.EvtSetJackOverride = Codec_SdcaXuSetJackOverride;
devCtx->SdcaXuData.ExtensionInterface.EvtSetJackSelectedMode = Codec_SdcaXuSetJackSelectedMode;
devCtx->SdcaXuData.ExtensionInterface.EvtPDEPowerReferenceAcquire = Codec_SdcaXuPDEPowerReferenceAcquire;
devCtx->SdcaXuData.ExtensionInterface.EvtPDEPowerReferenceRelease = Codec_SdcaXuPDEPowerReferenceRelease;
devCtx->SdcaXuData.ExtensionInterface.EvtReadDeferredAudioControls = Codec_SdcaXuReadDeferredAudioControls;
devCtx->SdcaXuData.ExtensionInterface.EvtWriteDeferredAudioControls = Codec_SdcaXuWriteDeferredAudioControls;
status = WdfFdoQueryForInterface(
Device,
&SDCAXU_INTERFACE,
(PINTERFACE)&(devCtx->SdcaXuData.ExtensionInterface),
sizeof(SDCAXU_INTERFACE_V0101),
SDCAXU_INTERFACE_VERSION_0101,
Device
);
if (NT_SUCCESS(status))
{
devCtx->SdcaXuData.bSdcaXu = TRUE;
}
return status;
}
PAGED_CODE_SEG
NTSTATUS Codec_SetSdcaXuHwConfig(_In_ WDFDEVICE Device)
{
PAGED_CODE();
NTSTATUS status = STATUS_SUCCESS;
DrvLogEnter(g_SDCAVCodecLog);
PCODEC_DEVICE_CONTEXT devCtx;
devCtx = GetCodecDeviceContext(Device);
ASSERT(devCtx != NULL);
PSDCAXU_INTERFACE_V0101 exInterface = &devCtx->SdcaXuData.ExtensionInterface;
PVOID exContext = devCtx->SdcaXuData.ExtensionInterface.InterfaceHeader.Context;
SdcaXuAcpiBlob acpiBlob;
acpiBlob.NumEndpoints = 2;
RETURN_NTSTATUS_IF_FAILED(exInterface->EvtSetHwConfig(exContext, SdcaXuHwConfigTypeAcpiBlob, &acpiBlob, sizeof(acpiBlob)));
return status;
}
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